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FRAMINGHAM, Mass. — Bose Corp., the acoustics company best known for its high-end audio equipment and noise-canceling headphones, last week unveiled a sophisticated heavy-duty truck seat designed to ease the wear and tear on drivers.

I.D. Systems Inc., Hackensack, N.J., paid $15 million in cash to purchase General Electric Co.’s trailer-tracking business, Asset Intelligence LLC, the companies announced.

FRAMINGHAM, Mass. — Audio products maker Bose Corp. has jumped into the trucking sector, unveiling a high-tech seat for over-the-road drivers to combat road vibration.

Iteris Inc., which makes lane-departure warning systems for the trucking industry, said Thursday its fiscal third-quarter profit decreased from a year ago.

U.S. heavy-duty truck sales in December topped 10,000 units for the only month in 2009, but the grand total for the year of 94,798 units was the lowest since 1983 and 29% below the 2008 level, WardsAuto.com reported.

LAS VEGAS — Top executives from large trucking, truck-making and component manufacturing firms said they all see signs of a good business climate to come, but predicted 2010 will not be a boom year, and they are moving forward with very conservative business plans.

Diamond Phoenix and System Logistics have completed their merger and are now operating as one company under the System Logistics Corp. name, the company said Wednesday.

Navistar Inc. said Tuesday it has acquired some assets from Holley Performance Products, including intellectual property rights for valve technology used on exhaust gas recirculation systems.